Worked on software used in cash registers owned by Target, Walmart, the US Postal Service, and various large European and Asian equivalents. Comparing the previ

Worked on software used in cash registers owned by Target, Walmart, the US Postal Service, and various large European and Asian equivalents. Comparing the previous model's UI to the new one was similar to the jump from command line UIs to GUIs, in that they were easier to understand without having to know a bunch of obscure commands. The company did a lot of work to ensure they were also fast to use like the old text-based ones. It really made the obscure cases easier for cashiers with little training to handle.